Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 3.89
Milk (kg) -97.00 -0.014 1.36
Fat (kg) -1.60 -0.375 0.60
Prot (kg) -4.39 -0.441 1.94
Fertility Sub Index 3.46
Calving Interval (days) -2.02 -1.459 2.95
Survival (%) 0.46 1.117 0.51
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.06
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) 2.68 -0.432 -1.16
Maintenance Sub Index Maint. Sub Index 2.61
Live WT (kg) -8.50 -0.307 2.61
Total Carbon Sub Index 10.55

* Based on an €80/tonne carbon price